16488131 has 4 divisors (see below), whose sum is σ = 17987064. Its totient is φ = 14989200.

The previous prime is 16488119. The next prime is 16488133. The reversal of 16488131 is 13188461.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16488131 - 2¹⁴ = 16471747 is a prime.

It is a super-2 number, since 2×16488131² = 543716927746322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16488133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749450 + ... + 749471.

It is an arithmetic number, because the mean of its divisors is an integer number (4496766).

Almost surely, 2^16488131 is an apocalyptic number.

16488131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16488131 is a deficient number, since it is larger than the sum of its proper divisors (1498933).

16488131 is a wasteful number, since it uses less digits than its factorization.

16488131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498932.

The product of its digits is 4608, while the sum is 32.

The square root of 16488131 is about 4060.5579665854. The cubic root of 16488131 is about 254.5211106937.

It can be divided in two parts, 1648 and 8131, that added together give a palindrome (9779).

The spelling of 16488131 in words is "sixteen million, four hundred eighty-eight thousand, one hundred thirty-one".